Iddingsite and Andradite Garnet Physical Properties

Iddingsite

Andradite Garnet

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.5-2.83.8-3.9

1 7.18

1.5 Fracture

Not Available

1.6 Cleavage

{???} Perfect

None

1.7 Mohs Hardness

36.5-7.5

2 10

1.8 Chemical Composition

MgO.Fe2O3.3SiO2•4(H2O)

Ca₃Fe³⁺₂Si₃O₁₂

Iddingsite and Andradite Garnet Chemical Formula

While comparing Iddingsite and Andradite Garnet physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Iddingsite and Andradite Garnet chemical formula.

Chemical formula of Iddingsite- MgO.Fe2O3.3SiO2•4(H2O)
Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂

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Iddingsite and Andradite Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iddingsite and Andradite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iddingsite and Andradite Garnet Optical Properties during the identification of gemstone. Specific gravity of Iddingsite is 3.8-3.9 whereas that of Andradite Garnet is 3.8-3.9.